Added a large scene stress test. Defaults to:

Total nodes:4681  Total Geometry:32768  Total controls:314

...the split depth can be increased for even more ridiculous
scenes.

jme3-examples/src/main/java/jme3test/scene/TestSceneStress.java

@@ -0,0 +1,162 @@
+/*
+ * Copyright (c) 2009-2012 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package jme3test.scene;
+
+import com.jme3.app.BasicProfilerState;
+import com.jme3.app.DebugKeysAppState;
+import com.jme3.app.FlyCamAppState;
+import com.jme3.app.SimpleApplication;
+import com.jme3.app.StatsAppState;
+import com.jme3.app.state.ScreenshotAppState;
+import com.jme3.material.Material;
+import com.jme3.math.ColorRGBA;
+import com.jme3.math.Quaternion;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+import com.jme3.scene.control.AbstractControl;
+import com.jme3.scene.shape.Box;
+import java.util.Random;
+
+
+/**
+ *  Tests a deep scene with an unrecommended amount of objects.
+ *
+ *  @author    Paul Speed
+ */
+public class TestSceneStress extends SimpleApplication {
+ 
+    private static Box BOX = new Box(2f, 0.5f, 0.5f);
+ 
+    private Material mat;
+    private Random random = new Random(0);
+ 
+    private int totalNodes = 0;
+    private int totalGeometry = 0;
+    private int totalControls = 0;
+    
+    public static void main( String... args ) {
+        
+        TestSceneStress test = new TestSceneStress();
+        test.start();
+    }
+    
+    public TestSceneStress() {
+        super(new StatsAppState(), new DebugKeysAppState(), new BasicProfilerState(false),
+              new FlyCamAppState(),
+              new ScreenshotAppState("", System.currentTimeMillis())); 
+    }
+    
+    @Override
+    public void simpleInitApp() {
+ 
+        stateManager.getState(FlyCamAppState.class).getCamera().setMoveSpeed(10);
+    
+        mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
+        mat.setColor("Color", ColorRGBA.Blue);
+
+        // Create a deep, mostly static scene        
+        Spatial oct = createOctSplit("root", 500, 5);
+        
+        rootNode.attachChild(oct);
+ 
+        // Position to see most of it       
+        cam.setLocation(new Vector3f(400.8009f, 370.16455f, -408.17984f));
+        cam.setRotation(new Quaternion(0.24906662f, -0.3756747f, 0.105560325f, 0.88639235f));
+        
+        System.out.println("Total nodes:" + totalNodes + "  Total Geometry:" + totalGeometry + "  Total controls:" + totalControls );        
+    }
+    
+    protected Spatial createOctSplit( String name, int size, int depth ) {
+        
+        if( depth == 0 ) {
+            // Done splitting
+            Geometry geom = new Geometry(name, BOX);
+            totalGeometry++;
+            geom.setMaterial(mat);
+            
+            if( random.nextFloat() < 0.01 ) {
+                RotatorControl control = new RotatorControl(random.nextFloat(), random.nextFloat(), random.nextFloat());
+                geom.addControl(control);
+                totalControls++;
+            }
+            
+            return geom;
+        }
+        
+        Node root = new Node(name);
+        totalNodes++;
+ 
+        int half = size / 2;
+        float quarter = half * 0.5f;
+ 
+        for( int i = 0; i < 2; i++ ) {
+            float x = i * half - quarter;
+            for( int j = 0; j < 2; j++ ) {
+                float y = j * half - quarter;
+                for( int k = 0; k < 2; k++ ) {
+                    float z = k * half - quarter;
+                    
+                    Spatial child = createOctSplit(name + "(" + i + ", " + j + ", " + k + ")", 
+                                                   half, depth - 1);
+                    child.setLocalTranslation(x, y, z);                                                   
+                    root.attachChild(child);   
+                }
+            }
+        }
+       
+        return root;        
+    }
+    
+    private class RotatorControl extends AbstractControl {
+        private float[] rotate;
+        
+        public RotatorControl( float... rotate ) {
+            this.rotate = rotate;
+        }
+
+        @Override
+        protected void controlUpdate( float tpf ) {
+            if( spatial != null ) {
+                spatial.rotate(rotate[0] * tpf, rotate[1] * tpf, rotate[2] * tpf);
+            }
+        }
+
+        @Override
+        protected void controlRender( RenderManager rm, ViewPort vp ) {
+        }        
+    }  
+}